CHAPTER VI

THE PLAIN OF THE PAMPAS 161 The limits of the prairie--The rains--The wind and the formation of the clay of the Pampas--The wind and the contour--The zones of colonization on the Pampas--Hunting wild cattle and primitive breeding--The sheep-farms--The ranches--The region of "colonies"--The region of lucerne, maize, and wheat--The combination of agriculture and breeding--The economic mechanism of colonization--The exchanges between the different zones of the Pampas.